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2 years ago

The radius of a circle is 1 centimeter. What is the circle's circumference?

Mathematics

1 answer:

igomit [66]2 years ago

6 0

Answer:

6.28 cm

Step-by-step explanation:

The formula for the circumference of a circle with radius r is C = 2*pi*r.

If we let pi = 3.14 and r = 1 cm, then the circumference of this circle is

C = 2(3.14)(1 cm) = 6.28 cm

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Expanding logarithmic Expression In Exercise,Use the properties of logarithms to rewrite the expression as a sum,difference,or m

wel

Answer:

$\frac{1}{2}ln(2x)-\frac{1}{2}ln(x^2-1)$

Step-by-step explanation:

In 2x/(x^2 - 1)1/2

$ln(\frac{2x}{x^2-1} )^\frac{1}{2}$

Apply the property of natural log

ln x^m = m ln(x) move the exponent before ln

$ln(\frac{2x}{x^2-1} )^\frac{1}{2}$

$\frac{1}{2}ln(\frac{2x}{x^2-1})$

ln(m/n)= ln m - ln n

$\frac{1}{2}(ln(2x)-ln(x^2-1))$

multiply 1/2 inside the terms

$\frac{1}{2}ln(2x)-\frac{1}{2}ln(x^2-1)$

6 0

2 years ago

5 , 15 , 45 , 135 find the common ratio

Alisiya [41]

The answer to ur question is number 3

4 0

3 years ago

The price of a cycle is reduced by 25 per cent. The new price is reduced by a further 20 per cent. The two reductions together a

pantera1 [17]

It should be 40 percent.

You can think of it as starting with 100 as in 100 dollars or 100 tic tacs

If you take away 25%, you take away 25 tic tacs and now you only have 75.

From your 75, you take away 20% which is equal to 15. 75- 15=60

If you look at the end result of 60, you can see that that is 100 - 40 so 40% of the total was taken off

5 0

3 years ago

PolarNik [594]

Answer:

i think it's c:r

3 0

2 years ago

Brainliest to right answer

sertanlavr [38]

Answer:

the answer is A)no solutions

6 0

3 years ago